Brad Keller vs. Nick Wittgren — Career Comparison

Brad Keller built a career as a starting pitcher and Nick Wittgren as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Nick Wittgren led in walk avoidance (BB%+ 158 vs 80), strikeout rate (K%+ 98 vs 80), and run prevention (ERA+ 116 vs 102). Brad Keller held the edge in home run suppression (HR9+ 171 vs 89). Role difference aside, Nick Wittgren holds a clear edge on every meaningful shared measure.